Automobile rear bumper



FIG. 1 is a left perspective view of an automobile rear bumper embodying the ornamental design constituting my invention;

FIG. 2 is a front view of the automobile rear bumper of FIG. 1;

FIG. 3 is a top view of the automobile rear bumper fascia of FIG. 1;

FIG. 4 is a bottom view of the automobile rear bumper fascia of FIG. 1; and,

FIG. 5 is a left side elevational view of the automobile rear bumper fascia of FIG. 1, the right side elevational view being mirror symmetrical.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a automobile rear bumper, as shown and described. 